
Black Holes
Authored by not nostradamus
Physics
7th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who first proposed the idea of a body so big that even light could not escape?
Karl Schwarzschild
Albert Einstein
Pierre-Simon Laplace
John Michell
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the boundary in spacetime through which matter and light can pass only inward towards the mass of a black hole?
Ergosphere
Event Horizon
Photon Sphere
Singularity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the defining feature of a black hole that makes it impossible for anything, even light, to escape from inside?
Event Horizon
Ergosphere
Singularity
Photon Sphere
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shape of the singular region at the center of a non-rotating black hole?
Single point
Ring
Cube
Sphere
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used to describe the process where an object falling into a black hole is stretched due to tidal forces?
Noodlification
Spaghettification
Stretchification
Tidalization
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the name of the spherical boundary of zero thickness in which photons that move on tangents to that sphere would be trapped in a circular orbit about the black hole?
Event horizon
Innermost stable circular orbit
Photon sphere
Ergosphere
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What region outside of the event horizon of a black hole is characterized by objects not being able to remain in place?
Gravitational collapse
Innermost stable circular orbit
Ergosphere
Photon sphere
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